Rio de Janeiro weather in December

Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average

Rio de Janeiro December weather at a glance

D Challenging 😓

In December, Rio de Janeiro averages 25.8°C, with typical highs of 29.8°C and lows of 22.8°C. The historical average is 15 wet days and 80% humidity.

Compared with Seoul in December, it is 26.7°C warmer than Seoul, with 10 more wet days.

Rio de Janeiro December temperature & humidity

Average25.8°CHigh 29.8° / low 22.8°

Humidity80%

Wet days15 days48% of days

Day–night range7°

Rio de Janeiro December rain & wet days

Wet days15 daysHistorical monthly average

Share of wet days48%Not a forecast probability

Pack a light rain jacket, waterproof pouch and quick-dry shoes. Keep an indoor stop available between outdoor activities.

What to wear in Rio de Janeiro in December

Choose breathable summer clothes and pack sun protection. Rain is frequent at roughly 15 days in the month; pack a rain jacket and water-resistant shoes. High humidity makes quick-dry clothing and a spare top especially useful.

DaytimeBreathable short sleeves, hat and sunscreen · average high 29.8°C
Morning & eveningLight layer for air-conditioned rooms · average low 22.8°C
FootwearComfortable walking shoes; quick-dry footwear for rainy days.

Useful extras

Breathable T-shirtsHat and sunglassesRain jacketWater-resistant shoesCompact umbrellaSpare quick-dry top

Choose a destination packing checklist →

Packing essentials

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Travel compression packing pouches
코멧 여행용 압축 파우치 4종 세트 Travel plug adapter
에너자이저 PD 45W 여행용 멀티 어댑터, 화이트 Portable fan
홈플래닛 컴팩트 BLDC 휴대용 선풍기 GXZ-F78 Compact folding umbrella
솔리앤 초경량 UV차단 3단 자동우산 Inflatable travel neck pillow
마이워니 여행용 에어 목베개

Rio de Janeiro December sunrise & sunset times

2026 December · Local time (America/Sao_Paulo)

Sunrise on the 15th05:02

Sunset on the 15th18:34

Daylight duration13h 32m

Start, middle and end of the month
Date	Sunrise	Sunset	Daylight
2026-12-01	04:59	18:25	13h 26m
2026-12-15	05:02	18:34	13h 32m
2026-12-31	05:10	18:41	13h 31m

For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.

Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup

Rio de Janeiro travel updates

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Rio de Janeiro panoramaVisit Rio / Panomax · Updated images

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Rio de Janeiro travel essentials

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Best months to visit Rio de Janeiro

Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.

J F M A M J J A S O N D

ColdHot

December weather by year

December 202425.4°19 wet days, 84% humidity

December 202526.3°11 wet days, 75% humidity

Daily weather in 2025

Daily high and low temperatures; blue labels show precipitation

128°21°

231°23°14mm

327°23°

426°22°1.6mm

526°21°

628°21°

730°22°

829°22°

931°24°6.1mm

1035°23°3.1mm

1134°24°

1232°23°

1328°24°7.3mm

1429°23°4.3mm

1532°24°

1635°25°5.6mm

1725°21°15mm

1824°21°6.9mm

1926°21°3.2mm

2027°22°

2130°22°

2233°22°

2335°23°

2435°26°

2534°25°

2634°25°

2732°24°

2833°24°

2931°24°

3031°25°

3133°25°7.2mm

Frequently asked questions

What is Rio de Janeiro weather like in December?

In December, Rio de Janeiro averages 25.8°C, with typical highs of 29.8°C and lows of 22.8°C. The historical average is 15 wet days and 80% humidity. Our weather-comfort rating for this month is challenging.

Does it rain a lot in Rio de Janeiro in December?

There are about 15 wet days in December. Pack a rain jacket and water-resistant shoes.

What should I wear in Rio de Janeiro in December?

What are the best months to visit Rio de Janeiro?

Recent weather data rates April, May, June, July among the more comfortable months.

Where can I check Rio de Janeiro weather in December in real time?

Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.

What time are sunrise and sunset in Rio de Janeiro in December?

On 2026-12-15, calculated sunrise is 05:02 and sunset is 18:34 in local time (America/Sao_Paulo). Times vary by date and terrain.

Rio de Janeiro weather by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

More Americas destinations in December

Los Angeles San Francisco Las Vegas Seattle Chicago Boston Washington DC Miami Orlando Hawaii Honolulu Guam Saipan Vancouver Toronto Banff Montreal Mexico City Cancun All destinations →

Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations